# How do you write an exponential equation that passes through (-1, .5) and (2, 10)?

##### 1 Answer

Aug 5, 2015

I found:

#### Explanation:

In general the equation will be of the form:

where:

let us use our points and substitute into our general equation:

from the first:

substitute into the second:

use the law of exponents and get:

take the

substitute back into

so finally your equation will be:

Graphically: